"The Summer I Turned Pretty" is a young adult coming-of-age romance novel series by Jenny Han, which has also been adapted into a popular TV series on Amazon Prime Video. The story follows Isabel "Belly" Conklin as she spends her summers at Cousins Beach with her family and the Fisher family, particularly focusing on her evolving relationships with the Fisher brothers, Conrad and Jeremiah. The series explores Belly's transformation from a girl into a young woman and the complicated love triangle that develops between her and the two brothers over several summers

. The narrative centers on Belly's experiences during the summer she turns sixteen, a pivotal time when she becomes more aware of her feelings and the dynamics around her change significantly. Conrad, who has his own struggles, and Jeremiah both start to see Belly in a new light, leading to emotional tension and growth for all characters involved

. The TV adaptation premiered in 2022, starring Lola Tung as Belly, and has been renewed through a third and final season scheduled for release in July 2025. The show captures the themes of love, family, and self-discovery that are central to the books

. In summary, "The Summer I Turned Pretty" is a heartfelt story about adolescence, first love, and the bittersweet nature of growing up, set against the backdrop of summer at the beach